eidmariam67
eidmariam67
04-11-2021
Mathematics
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What is the sum of this problem?
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syahbanazacki
syahbanazacki
04-11-2021
Step-by-step explanation:
= (3x² - 4) + (5x² + 8)
= (3 + 5)x² + (-4 + 8)
= 8x² + 4
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